add x-ms-identifiers for hanaonazure (#19931)

Author: j-zhong-ms

specification/hanaonazure/resource-manager/Microsoft.HanaOnAzure/preview/2020-02-07-preview/hanaonazure.json

@@ -505,6 +505,9 @@
           "items": {
             "$ref": "#/definitions/Operation"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "List of HANA operations"
         }
       },